2008-06-11 14:52:57 +04:00
|
|
|
// $Id$
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
Moses - factored phrase-based language decoder
|
|
|
|
Copyright (C) 2006 University of Edinburgh
|
|
|
|
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
Lesser General Public License for more details.
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
|
|
License along with this library; if not, write to the Free Software
|
|
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
***********************************************************************/
|
|
|
|
|
|
|
|
#include <limits>
|
|
|
|
#include <iostream>
|
|
|
|
#include <sstream>
|
|
|
|
|
2012-11-12 23:56:18 +04:00
|
|
|
#include "SingleFactor.h"
|
2013-02-21 18:48:23 +04:00
|
|
|
#include "PointerState.h"
|
2013-05-24 21:02:49 +04:00
|
|
|
#include "moses/FF/FFState.h"
|
2012-11-12 23:56:18 +04:00
|
|
|
#include "moses/TypeDef.h"
|
|
|
|
#include "moses/Util.h"
|
|
|
|
#include "moses/FactorCollection.h"
|
|
|
|
#include "moses/Phrase.h"
|
|
|
|
#include "moses/StaticData.h"
|
2013-09-25 19:57:01 +04:00
|
|
|
#include "moses/FactorTypeSet.h"
|
2008-06-11 14:52:57 +04:00
|
|
|
|
|
|
|
using namespace std;
|
|
|
|
|
2008-10-09 03:51:26 +04:00
|
|
|
namespace Moses
|
|
|
|
{
|
2008-06-11 14:52:57 +04:00
|
|
|
|
2013-10-29 22:59:53 +04:00
|
|
|
LanguageModelSingleFactor::LanguageModelSingleFactor(const std::string &line)
|
|
|
|
:LanguageModelImplementation(line)
|
2013-12-19 00:54:53 +04:00
|
|
|
,m_factorType(0)
|
2010-10-27 21:50:40 +04:00
|
|
|
{
|
2011-02-24 16:14:42 +03:00
|
|
|
m_nullContextState = new PointerState(NULL);
|
|
|
|
m_beginSentenceState = new PointerState(NULL);
|
2010-10-27 21:50:40 +04:00
|
|
|
}
|
|
|
|
|
2014-01-12 22:56:43 +04:00
|
|
|
LanguageModelSingleFactor::~LanguageModelSingleFactor()
|
|
|
|
{
|
2014-01-15 19:42:02 +04:00
|
|
|
delete m_nullContextState;
|
|
|
|
delete m_beginSentenceState;
|
2014-01-12 22:56:43 +04:00
|
|
|
}
|
2010-10-27 21:50:40 +04:00
|
|
|
|
2013-02-21 02:09:00 +04:00
|
|
|
const FFState *LanguageModelSingleFactor::GetNullContextState() const
|
2010-11-17 17:06:21 +03:00
|
|
|
{
|
|
|
|
return m_nullContextState;
|
|
|
|
}
|
|
|
|
|
2013-02-21 02:09:00 +04:00
|
|
|
const FFState *LanguageModelSingleFactor::GetBeginSentenceState() const
|
2010-11-17 17:06:21 +03:00
|
|
|
{
|
|
|
|
return m_beginSentenceState;
|
|
|
|
}
|
|
|
|
|
2013-02-21 02:09:00 +04:00
|
|
|
FFState *LanguageModelSingleFactor::NewState(const FFState *from) const
|
2010-10-27 21:50:40 +04:00
|
|
|
{
|
|
|
|
return new PointerState(from ? static_cast<const PointerState*>(from)->lmstate : NULL);
|
|
|
|
}
|
|
|
|
|
2013-02-21 02:09:00 +04:00
|
|
|
LMResult LanguageModelSingleFactor::GetValueForgotState(const std::vector<const Word*> &contextFactor, FFState &outState) const
|
2010-10-27 21:50:40 +04:00
|
|
|
{
|
2011-08-18 01:13:21 +04:00
|
|
|
return GetValue(contextFactor, &static_cast<PointerState&>(outState).lmstate);
|
2010-10-27 21:50:40 +04:00
|
|
|
}
|
|
|
|
|
2013-05-30 15:41:08 +04:00
|
|
|
bool LanguageModelSingleFactor::IsUseable(const FactorMask &mask) const
|
|
|
|
{
|
|
|
|
bool ret = mask[m_factorType];
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-08-28 14:05:47 +04:00
|
|
|
void LanguageModelSingleFactor::SetParameter(const std::string& key, const std::string& value)
|
|
|
|
{
|
2013-08-28 14:06:27 +04:00
|
|
|
if (key == "factor") {
|
|
|
|
m_factorType = Scan<FactorType>(value);
|
|
|
|
} else {
|
|
|
|
LanguageModelImplementation::SetParameter(key, value);
|
|
|
|
}
|
2013-08-28 14:05:47 +04:00
|
|
|
}
|
|
|
|
|
2014-07-15 18:26:50 +04:00
|
|
|
std::string LanguageModelSingleFactor::DebugContextFactor(const std::vector<const Word*> &contextFactor) const
|
|
|
|
{
|
2015-01-14 14:07:42 +03:00
|
|
|
std::string ret;
|
|
|
|
for (size_t i = 0; i < contextFactor.size(); ++i) {
|
|
|
|
const Word &word = *contextFactor[i];
|
|
|
|
ret += word.ToString();
|
|
|
|
}
|
2014-07-15 18:26:50 +04:00
|
|
|
|
2015-01-14 14:07:42 +03:00
|
|
|
return ret;
|
2014-07-15 18:26:50 +04:00
|
|
|
}
|
|
|
|
|
2008-10-09 03:51:26 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-06-11 14:52:57 +04:00
|
|
|
|
|
|
|
|